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arXiv 0904.2823hep-ph
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Feynman积分的直接计算法

Numerical Evaluation of Feynman Integrals by a Direct Computation Method

F. Yuasa, T. Ishikawa, J. Fujimoto, N. Hamaguchi, E. de Doncker, Y. Shimizu

摘要:

直接计算法是计算费曼积分的一种纯数值方法。该方法基于有效的数值积分和有效的外推的组合。此外,高精度的算法和并行化技术可以在这种方法中使用,如果需要的话。本文介绍了这种方法的最新进展,并给出了单圈五点积分和双圈三点积分的计算结果。

英文摘要:

A purely numerical method, Direct ComputationMethod is applied to evaluate Feynman integrals. This method is based on the combination of an efficient numerical integration and an efficient extrapolation. In addition, high-precision arithmetic and parallelization technique can be used in this method if required. We present the recent progress in development of this method and show results such as one-loop 5-point and two-loop 3-point integrals.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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